How do you dry an acorn cap?
Lay the acorns in a single layer on a cookie sheet. You’ll want to use a cookie sheet with a lip so none of the acorns roll off. Place the acorns in the oven on the cookie sheet and leave the door cracked slightly so that moisture can escape. Step Four: Check on the acorns every 30 minutes and roll them around a bit.
How do you preserve acorns for decorations?
How long will dried acorns last?
Oven drying acorns causes them to lose their moisture and lose their freshness. They can only be eaten for 1 to 2 months after oven drying. If you are air drying the acorns, make sure it is somewhere free of squirrels, insect larvae, and other harmful stuff.